Senate Election Data 1914-2004 by Party
The blue bars show the number of Democrats in the Senate after the election in the year given. The red bars show the numbers of Republicans. The numbers show the post-election seats for each party. The black lines show how many seats each party had prior to the election. Third party seats are not counted. The background color shows which party controlled the White House at the time of the election. Popular election of senators began in 1914.
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